Digicom Pocket GSM Manuale utente

http://www.digicom.it

DUAL-BAND MODEM



Dual-Band EGSM900/DCS1800



Data Transmission up to 9.6Kbps V.32 and V.110



SMS support PDU and Text mode



Voice and Fax support



Flash Upgradable

User’s Guide

rev. 3.1 12/2004

POCKET GSM

PocketGSM Index

INDEX

PREFACE II

ENVIRONMENTAL CONDITIONS II

CLEANING THE TERMINAL II

VIBRATIONS OR DROPPING II

DECLARATION CE OF CONFORMITY II

1. INTRODUCTION 1.1

1.1. TECHNICAL FEATURES 1.1

1.2. WARNINGS 1.1

2. INSTALLATION 2.1

2.1. PIN-OUT CONNECTOR 2.1

2.2. SIM CARD 2.2

2.3. CONNECTION TO THE EXTERNALANTENNA 2.2

2.4. POWER SUPPLY 2.4

2.5. LED INDICATORS 2.5

2.6. CONNECTOR FOR THE VOICE MANAGEMENT 2.6

3. FUNCTIONAL EXAMPLES 3.1

4. AT COMMANDS 4.1

4.1. COMMANDS NOTES 4.1

4.2. AT COMMANDS DESCRIPTION 4.2

4.2.1. GENERAL COMMANDS 4.2

4.2.2. 07.07 GSM COMMANDS 4.11

4.2.3. PHONEBOOK COMMANDS 4.18

4.2.4. VOICE COMMANDS 4.20

4.2.5. SMS CONTROL COMMANDS (GSM 07.05) 4.24

4.2.6. GPIO COMMANDS (GENERAL PURPOSE INPUT OUTPUT) 4.30

4.2.7. GPRS COMMANDS (GSM 07.07) 4.37

APPENDIX A A.1

PREFACE

in any form or by any means, electronic, otherwise, without the prior written permission of Digicom S.p.A.

The following installation rules should be respected in order to have the best working order of the equipment

and for the user’s safety.

ENVIRONMENTAL CONDITIONS

Enviromental temperature Relative humidity

from -20 to +55°Cfrom 20 to 80% n.c.

Rapid changes of temperature or humidity should be avoided.

This equipment, including cables, should be installed in an area free from:

Dust, humidity, heat from direct sun light.

Objects which irradiate heat. These could cause damage to the container or other problems.

Objects which produce a strong electtromagnetic field (loudspeakers, etc.)

Liquids or chemical corrosive substances.

CLEANING THE TERMINAL

Use a clean and soft cloth. Wet the cloth with water or natural detergent if it is necessary to remove any

stains. Never use chemical products such as petrol or solvents.

VIBRATIONS OR DROPPING

Caution against vibrations and dropping.

DECLARATION OF CONFORMITY

We, Digicom S.p.A. registered office at: via Volta 39 - 21010 Cardano al Campo (Varese - Italy) declare

under our sole responsability that the product:

Name: POCKET GSM Type: Modem Dual-Band GSM 900/1800MHz

satisfies the basic requirement of the below indicated Directive:

1999/5/CE of March 9 1999, R&TTE

as having been designed in conformity with the requirements of following Reference Standards:

EN 60950 EN 301 489-1 EN 301 489-7 EN 301-419-1 EN 301-511

PocketGSM Preface

PocketGSM Introduction

1.1

1. INTRODUCTION

Congratulation on choosing digicom PocketGSM.

PocketGSMisaGSM Dual-Band modem (EGSM900/DCS1800), perfect forDATA,SMS,

FAX and VOICE applications.

It has been designed to operate on any digital GSM network both directly and in roaming.

PocketGSM is compliant with GSM Class 4 (900Mhz) and Class 1 (1800 Mhz). The dual

bandfunctionalitydepends on the network. Please refertoGSMproviderfortheavailability

of the service.

1.1. TECHNICAL FEATURES

Power Supply

Power Supply: from 5 to 32 Vdc

Temperature

Operating: from -20°C to +55°C

Storage: from -20°C to +70°C

Connectors

Power Supply & I/O: Mini-Fit™ 12 pin (Molex 556912A1)

Data interface: 9 pin RS232 (V24/V28)

Antenna: SMA female

Audio: RJ6 female (telephone handset)

SIM: Plug-In 3V

Size

Size: 87x75x25mm

Weight: about 130gr

1.2. WARNINGS

Satefy

Readcarefullytheseinstructions andnotesbeforepoweringPocketGSM. Foreachsituation

please follow the specific instructions.

PocketGSM Introduction

1.2

PocketGSMis a low power radio transmitterand receiver.Whenit is ON, it sendsreceives

radio frequency (RF) signals.

PocketGSM produces magnetic fields. Do not place it next to magnetic support such as

floppy disks, tapes, et. . Operating your modem close to other electrical equipment such

as television, phone, radios and personal computer, may cause interference.

Interference

PocketGSM, like all wireless devices, is subject to interferences that may reduce its performances.

Road Safety

Do not use PocketGSM while driving. In case of use on cars, it is necessary to check that electronic

equipment is shielded against RF signal. Do not place PocketGSM over the air bag or in the air bag

deployment area.

Aircraft Safety

Switch off PocketGSM in aircraft by disconnecting the Power cable. Using GSM devices on aircraft is

illegal.

Hospital Safety

Do not use PocketGSM near health equipment, especially pacemaker and hearing aids, to avoid potential

interferences. PocketGSM is a not mobile phone, do not use it in direct contact with the human body.

Switch it off in hospitals, and medical center. Hospitals or health care facilities may be using equipment

that could be sensitive to external RF energy.

Explosive Materials

Do not use PocketGSM in refuelling points, near fuel or chemicals. Do not use the PocketGSM where

blasting is in progress. Observe restrictions, and follow any regulation or instruction.

Instructions for use

Do not use PocketGSM in direct contact with the human body, do not touch the antenna if not necessary

when the phone is in use. Use approved accessories and batteries only. Do not connect incompatible

products.

PocketGSM Installation

2.1

2. INSTALLATION

TheGSM modeminstallationmustbe carriedoutbetweena rangeoftemperatureindicated

in the manual.

Attention: the power supply voltage must not exceed the indicated maximum value as this may cause

a damage of the product.

2.1. PIN-OUT CONNECTOR

Connecttheserial port of your device to PocketGSM througha9 pin RS232 right standard

connector .

This table describes the position of the signals on Pocket GSM connector:

9 pin female connector (DCE) Pin Description Initials

1Data Carrier Detect DCD

2Receive Data RD

3Transmitted Data TD

4Data Terminal Ready DTR

5Signal Ground GND

6Data Set Ready DSR

7Request To Send RTS

8Clear To Send CTS

9Ring Indicator RI

In case your application supports TD and RD (transmission and reception)signals only, it

is possible to connect it to the Pocket GSM. In this case it is important to configure

PocketGSM to ignore the not present criteria.

[ For further information about commands, see the chapters “Functional Examples” and “AT

Commands”; you’ll find the “AT Commands” chapter in the user’s manual present on Digicom

website ]

The modem can receive AT commands at the speeds between 300 and 115200 bit/s.

PocketGSM Installation

2.2

2.2. SIM CARD

Plug-in SIM are supported by PocketGSM.

To prevent damaging or losing information avoid touching the sim gold area.

Attention: Check with your GSM provider if your SIM is enable for data and fax traffic, if not ask him for

this service, he will give you other two numbers (one for data calls and the other for fax calls).

Insert the SIM

Probably the SIM card will be supplied in a card holder compliant with the devices using

the full-size SIM.

1. Remove the SIM carefully from the SIM holder.

2. Turn off Pocket GSM, by disconnecting the power connector.

3. Discover the SIM slot and press on the release pin with a finger or

a pencil.

4. Insert the SIM card into the holder. Be sure the angled corner is top

right.

5. Close the SIM holder and press it up to the end. Do not force the

SIM holder and verify the correct position. .

2.3. CONNECTION TO THE EXTERNAL ANTENNA

To connect the external antenna go on as follows:

1. Tu rn off your Pocket GSM by disconnecting the power

connector.

2. Connect the SMA male connector to the external antenna of

Pocket GSM, screwing it clockwise.

3. Place the antenna and check there is a good quality signal.

PocketGSM Installation

2.3

You can check the signal:



Using a cellular phone

Insert the SIM of the PocketGSM in a cellular phone and check the quality of the signal.



Through the Led STATUS

Power on the modem and verify the STATUS Led. If it is red blinking, it means the modem is recognized

by the GSM network. In this way you can check the signal but not its quality.

Attention: even if you see the STATUS Led blinking, it may not be sufficient for data transmission.



Through the AT+CSQ command

By using this command it is possible to detect a more precise signal. Power on PocketGSM and connect

it to a Personal cpmputer, using a serial cable. With a hyperterminal send to the modem the command

AT+CSQ.

The modem will answer with +CSQ: x,y; where “x” is the signal quality, “y” is the BER (But Error Rate).

The value of “x” can be included between 0 to 31; the higher value indicates a better signal.

From 0 to 9 : poor

From 10 to 15 : good

From 16 to 31 : excellent

99 = Unknown or uncalculable

BER values higher than 2 may compromise the good operation of the device. In this case place the

antenna in a better position.

[ For further information about commands, see the chapters “Functional Examples” and “AT

Commands”; you’ll find the “AT Commands” chapter in the user’s manual present on Digicom

website ]

Attention: for better performances of the supplied stilo antenna, we suggest to position it upwards.Try

to fix Pocket GSM and its antenna at least one meter from the floor.

In case you use a different antenna, do not fix it directly to the mechanics of the product or on

metal surfaces.

PocketGSM Installation

2.4

2.4. POWER SUPPLY

The inputs, outputs and power supply use a Minifit 12 pin connector:

Frontal view PIN Description

1OUTPUT 2 (Open Collector) (GPO2)

2OUTPUT 1 (Open Collector) (GPO1)

3DIGITAL INPUT 4 (GPIO5)

4DIGITAL INPUT 3 (GPIO4)

5DIGITAL INPUT 2 (GPIO0)

6DIGITAL INPUT 1 (GPI3)

7 N.C.

8 N.C.

9Power supply from 5 to 32Vdc

10 GND

11 ANALOG INPUT 2 (ADC2)

12 ANALOG INPUT 1 (ADC1)

pin 9 : positive [from +5 to +32Vdc]

pin 10 : negative [GND]

The modem has a special protection in case you accidentally invert the polarity.

The modem power supply must be included between 5 and 32 Vdc with ground negative.

Attention: the power supply voltage must not exceed the indicated maximum value as this may cause

a damage of the product.

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